Matrix type air needle blowing demolding type injection mold

• Main Authors: WU NENGFENG, BU QINGSONG, WU ZHANCHUN
• Format: Patent
• Language: Chinese; English
• Published: 10.12.2021
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

The utility model discloses a matrix type air needle blowing demolding type injection mold which comprises a fixed mold plate, a fixed mold base, a movable mold plate and a movable mold base, an insert is arranged on the movable mold base, a forming cavity is formed in the fixed mold base, the insert is installed in the forming cavity, and a forming groove is formed between the fixed mold base and the top face of the insert. A sprue bush is arranged on the fixed mold plate, a runner is arranged between the fixed mold plate and the fixed mold base, one end of the runner is communicated with the sprue bush, and the other end of the runner is communicated with the forming groove; a main air blowing pipe and an auxiliary air blowing pipe are arranged in the insert and the movable mold base, a main air blowing disc is arranged at one end of the main air blowing pipe and installed on the inner bottom face of the forming groove, the other end of the main air blowing pipe is connected with the inner end of the auxili